Results 131 to 140 of about 132,086 (264)

Variability of Particulate Organic Carbon Stock in the South China Sea With Reference to Profile Structures

open access: yesGeophysical Research Letters, Volume 53, Issue 1, 16 January 2026.
Abstract Accurate characterization of particulate organic carbon (POC) stock is essential for understanding regional biological pump processes, yet the roles of vertical structure and integration depth in regulating POC stock variability remain unclear in marginal seas. Using a performance‐evaluated 3D POC data set, we assessed POC stock changes in the
Teng Li   +9 more
wiley   +1 more source

Temporal variations of geoid heights over Kazakhstan from GRACE–FO data and their relation with hydrological changes in the Caspian Sea and seismic activity

open access: yesFrontiers in Earth Science
IntroductionWe quantify temporal variations of geoid heights (ΔN) across Kazakhstan during 2019–2024 using satellite gravimetry, and relate these changes to recent extreme hydrological and seismic events.MethodsMonthly ΔN fields were derived from GRACE ...
Daniya Shoganbekova   +7 more
doaj   +1 more source

The Study of Daytime Ionospheric E‐Region Radar Echoes Simultaneously Observed by Qujing VHF Radar and Multi‐Ionosondes

open access: diamond, 2022
Yunzhou Zhu   +9 more
openalex   +1 more source

Ionospheric convection during the magnetic storm of 20-21 March 1990

open access: hybrid, 1994
John R. Taylor   +6 more
openalex   +1 more source

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